package cool.zhang;

import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.tomcat.jdbc.pool.DataSource;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;

@SpringBootApplication // 替代@Configuration @ComponentScan 和 @EnableAutoConfiguration 集合体
@MapperScan("cool.zhang.repository")
public class Application {

    private static final Logger logger = LoggerFactory.getLogger(Application.class);

    @Bean
    @ConfigurationProperties(prefix = "spring.datasource")
    public DataSource dataSource(){
        return new DataSource();
    }

    @Bean
    public SqlSessionFactory sqlSessionFactory() throws Exception {
        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();

        sqlSessionFactoryBean.setDataSource(dataSource());

        PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();

        sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath:/mybatis/*Mapper.xml"));

        return  sqlSessionFactoryBean.getObject();
    }

    @Bean
    public PlatformTransactionManager transactionManager(){
        return new DataSourceTransactionManager(dataSource());
    }

	public static void main(String[] args) {
		SpringApplication.run(Application.class, args);
	}
}
